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Side-by-side financial comparison of Apellis Pharmaceuticals, Inc. (APLS) and Willdan Group, Inc. (WLDN). Click either name above to swap in a different company.

Apellis Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($199.9M vs $182.0M, roughly 1.1× Willdan Group, Inc.). Willdan Group, Inc. runs the higher net margin — 7.5% vs -29.5%, a 37.0% gap on every dollar of revenue. On growth, Willdan Group, Inc. posted the faster year-over-year revenue change (15.0% vs -5.9%). Willdan Group, Inc. produced more free cash flow last quarter ($9.8M vs $-14.3M). Over the past eight quarters, Willdan Group, Inc.'s revenue compounded faster (8.1% CAGR vs 7.7%).

Apellis Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing targeted therapies that modulate the complement system to address serious unmet medical needs. Its core products target ophthalmic conditions like geographic atrophy secondary to age-related macular degeneration, as well as rare hematological and autoimmune disorders, with primary operations in the United States and European markets.

Willdan Group, Inc. (Willdan) is an American publicly traded company selling professional technical and consulting services to public and private utilities, public agencies at all levels of government, and commercial and industrial firms. The company operates offices in more than a dozen states, with its key operations in California and New York.

APLS vs WLDN — Head-to-Head

Bigger by revenue
APLS
APLS
1.1× larger
APLS
$199.9M
$182.0M
WLDN
Growing faster (revenue YoY)
WLDN
WLDN
+20.9% gap
WLDN
15.0%
-5.9%
APLS
Higher net margin
WLDN
WLDN
37.0% more per $
WLDN
7.5%
-29.5%
APLS
More free cash flow
WLDN
WLDN
$24.1M more FCF
WLDN
$9.8M
$-14.3M
APLS
Faster 2-yr revenue CAGR
WLDN
WLDN
Annualised
WLDN
8.1%
7.7%
APLS

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
APLS
APLS
WLDN
WLDN
Revenue
$199.9M
$182.0M
Net Profit
$-59.0M
$13.7M
Gross Margin
36.9%
Operating Margin
-25.6%
8.2%
Net Margin
-29.5%
7.5%
Revenue YoY
-5.9%
15.0%
Net Profit YoY
-62.2%
86.8%
EPS (diluted)
$-0.40
$0.90

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
APLS
APLS
WLDN
WLDN
Q4 25
$199.9M
$182.0M
Q3 25
$458.6M
$173.5M
Q2 25
$178.5M
$152.4M
Q1 25
$166.8M
Q4 24
$212.5M
$144.1M
Q3 24
$196.8M
$158.3M
Q2 24
$199.7M
$141.0M
Q1 24
$172.3M
$122.5M
Net Profit
APLS
APLS
WLDN
WLDN
Q4 25
$-59.0M
$13.7M
Q3 25
$215.7M
$15.4M
Q2 25
$-42.2M
$4.7M
Q1 25
$-92.2M
Q4 24
$-36.4M
$7.7M
Q3 24
$-57.4M
$7.3M
Q2 24
$-37.7M
$4.6M
Q1 24
$-66.4M
$2.9M
Gross Margin
APLS
APLS
WLDN
WLDN
Q4 25
36.9%
Q3 25
39.4%
Q2 25
37.8%
Q1 25
Q4 24
38.1%
Q3 24
32.6%
Q2 24
34.6%
Q1 24
38.7%
Operating Margin
APLS
APLS
WLDN
WLDN
Q4 25
-25.6%
8.2%
Q3 25
48.7%
6.8%
Q2 25
-18.6%
4.6%
Q1 25
-50.0%
Q4 24
-12.3%
7.5%
Q3 24
-24.0%
5.5%
Q2 24
-14.7%
4.6%
Q1 24
-36.0%
4.4%
Net Margin
APLS
APLS
WLDN
WLDN
Q4 25
-29.5%
7.5%
Q3 25
47.0%
8.9%
Q2 25
-23.6%
3.1%
Q1 25
-55.3%
Q4 24
-17.1%
5.3%
Q3 24
-29.2%
4.6%
Q2 24
-18.9%
3.3%
Q1 24
-38.5%
2.4%
EPS (diluted)
APLS
APLS
WLDN
WLDN
Q4 25
$-0.40
$0.90
Q3 25
$1.67
$1.03
Q2 25
$-0.33
$0.32
Q1 25
$-0.74
Q4 24
$-0.30
$0.53
Q3 24
$-0.46
$0.51
Q2 24
$-0.30
$0.33
Q1 24
$-0.54
$0.21

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
APLS
APLS
WLDN
WLDN
Cash + ST InvestmentsLiquidity on hand
$466.2M
$33.1M
Total DebtLower is stronger
$49.1M
Stockholders' EquityBook value
$370.1M
$283.1M
Total Assets
$1.1B
$507.9M
Debt / EquityLower = less leverage
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
WLDN
WLDN
Q4 25
$466.2M
$33.1M
Q3 25
$479.2M
$32.3M
Q2 25
$370.0M
$38.4M
Q1 25
$358.4M
Q4 24
$411.3M
$74.2M
Q3 24
$396.9M
$53.1M
Q2 24
$360.1M
$44.3M
Q1 24
$325.9M
$46.9M
Total Debt
APLS
APLS
WLDN
WLDN
Q4 25
$49.1M
Q3 25
$59.7M
Q2 25
$86.9M
Q1 25
Q4 24
$89.5M
Q3 24
$91.9M
Q2 24
$93.7M
Q1 24
$93.1M
$95.5M
Stockholders' Equity
APLS
APLS
WLDN
WLDN
Q4 25
$370.1M
$283.1M
Q3 25
$401.2M
$265.9M
Q2 25
$156.3M
$245.5M
Q1 25
$164.2M
Q4 24
$228.5M
$234.3M
Q3 24
$237.1M
$224.0M
Q2 24
$264.3M
$213.0M
Q1 24
$266.7M
$205.5M
Total Assets
APLS
APLS
WLDN
WLDN
Q4 25
$1.1B
$507.9M
Q3 25
$1.1B
$484.9M
Q2 25
$821.4M
$471.2M
Q1 25
$807.3M
Q4 24
$885.1M
$464.9M
Q3 24
$901.9M
$447.3M
Q2 24
$904.5M
$421.3M
Q1 24
$831.9M
$407.9M
Debt / Equity
APLS
APLS
WLDN
WLDN
Q4 25
0.17×
Q3 25
0.22×
Q2 25
0.35×
Q1 25
Q4 24
0.38×
Q3 24
0.41×
Q2 24
0.44×
Q1 24
0.35×
0.46×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
APLS
APLS
WLDN
WLDN
Operating Cash FlowLast quarter
$-14.2M
$12.2M
Free Cash FlowOCF − Capex
$-14.3M
$9.8M
FCF MarginFCF / Revenue
-7.1%
5.4%
Capex IntensityCapex / Revenue
0.1%
1.3%
Cash ConversionOCF / Net Profit
0.89×
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$65.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
WLDN
WLDN
Q4 25
$-14.2M
$12.2M
Q3 25
$108.5M
$25.4M
Q2 25
$4.4M
$3.3M
Q1 25
$-53.4M
Q4 24
$19.4M
$33.5M
Q3 24
$34.1M
$10.8M
Q2 24
$-8.3M
$889.0K
Q1 24
$-133.0M
$26.9M
Free Cash Flow
APLS
APLS
WLDN
WLDN
Q4 25
$-14.3M
$9.8M
Q3 25
$108.3M
$23.2M
Q2 25
$4.4M
$1.0M
Q1 25
$-53.4M
Q4 24
$19.3M
$31.1M
Q3 24
$8.8M
Q2 24
$-8.4M
$-1.3M
Q1 24
$-133.3M
$25.0M
FCF Margin
APLS
APLS
WLDN
WLDN
Q4 25
-7.1%
5.4%
Q3 25
23.6%
13.4%
Q2 25
2.5%
0.7%
Q1 25
-32.0%
Q4 24
9.1%
21.6%
Q3 24
5.6%
Q2 24
-4.2%
-0.9%
Q1 24
-77.3%
20.4%
Capex Intensity
APLS
APLS
WLDN
WLDN
Q4 25
0.1%
1.3%
Q3 25
0.0%
1.3%
Q2 25
0.0%
1.5%
Q1 25
0.0%
Q4 24
0.0%
1.6%
Q3 24
0.0%
1.2%
Q2 24
0.0%
1.5%
Q1 24
0.2%
1.6%
Cash Conversion
APLS
APLS
WLDN
WLDN
Q4 25
0.89×
Q3 25
0.50×
1.65×
Q2 25
0.71×
Q1 25
Q4 24
4.35×
Q3 24
1.47×
Q2 24
0.19×
Q1 24
9.16×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

APLS
APLS

Syfovre$155.2M78%
Empaveli Pegcetacoplan$35.1M18%
Licensing And Other Revenue$9.6M5%

WLDN
WLDN

Public Utility$74.2M41%
Governments$64.6M35%
Engineering Consulting Services$27.3M15%
Commercial$15.9M9%
Alternative Power Generation Inc$4.8M3%

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